or...
Reset Password Free Sign Up


incorrect cards (0)
correct cards (0)
remaining cards (0)
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the Correct box, the DOWN ARROW key to move the card to the Incorrect box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

Correct box contains:
Time elapsed:
Retries:
restart all cards



Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Scala

Aprendendo a linguagem Scala

QuestionAnswer
Funções Anônimas object TimerAnonymous { def oncePerSecond(callback: () => Unit) { while(true){ callback(); Thread sleep 1000 } } def main(args: Array[String]){ oncePerSecond(() => println("O tempo voa como uma flecha a cada segundo.")) }
Tipagem estática val i = 1 var j : Int = 1
Mixins traço RichIterator estende AbsIterator { def foreach (f: T => Unit) { enquanto (hasNext) f (próximo)} }
Métodos sem Argumento object ComplexNubers{ def main(args: Array[String]){ val c = new Complex(1.2, 3.4) println("imaginary part: " + c.im()) } } class Complex(real: Double, imaginary: Double) { def re = real def im = imaginary }
Contexto de String val name = "James" println(s"Hello, $name") // Hello, James
Exceção class Reader(fname: String) { private val in = new BufferedReader(new FileReader(fname)) @throws[IOException]("if the file doesn't exist") def read() = in.read() }
Parâmetro por nome (x: => Int)
Parâmetro por valor (x: Int)
Filtro for(i <- 1 to 10; if i % 2 == 0), o filtro é “if i % 2 == 0”
Loop for (i <- 0 until 100) println(i) //imprime os números 0 até 99
Função Literal (x: Int, y: Int) => x + y
Array var z:Array[String] = new Array[String](3) ou var z = new Array[String](3)
Definição de Funções def nomeFunção ([lista de parâmetros]) : [tipo de retorno] = { corpo da função return [expr] }
Created by: trabalholp on 2013-10-21



Copyright ©2001-2014  StudyStack LLC   All rights reserved.